#field {
    background-color: #3d8c3f;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    max-height: 100%;
    /* Field hockey pitch ratio (91.4m x 55m) */
    aspect-ratio: 91.4 / 55;
    flex-shrink: 1;
    transform-origin: center;
}

.ball {
    width: 8px;
    height: 8px;
    background-color: #ffffff;
    border-radius: 50%; /* A circle for the ball */
    border: 1px solid #000000;
}